const deg = 6
const hr = document.querySelector('#hr')
const mn = document.querySelector('#mn')
const sc = document.querySelector('#sc')

setInterval(() => {
  let day = new Date()
  let hh = day.getHours() * 30
  let mm = day.getMinutes() * deg
  let ss = day.getSeconds() * deg

  hr.style.transform=`rotateZ(${hh+(mm/12)}deg)`
  mn.style.transform=`rotateZ(${mm}deg)`
  sc.style.transform=`rotateZ(${ss}deg)`
}, 1000)
